Apparatus for producing ozone.



S. HELD. APPARATUS FOR PRODUCING OZONE. APPLICATION IILEDYAUG. 2, 1911.

1,038,130. Patented Sept. 10, 1912.

Z SHEETS-SHEET 1.

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Wnesses 4501 30724 M ted lieic'L. 6- W S. HELD. APPARATUS FOR. PRODUCINGOZONE. APPLICATION FILED AUG, 2, 1511.

Patented Sept. 10, 1912.

2 SHEETS-SHEET 2.

UNITED STAT SIEGFRIED HELD, OF CHICAGO, ILLINOIS.

APPARATUS non. raonocme OZONE.

' Specification of Letters Patent. Patented Sept. to, 1912.

'Application filed August 2, 1911. Serial No. 641,909.

To ll whom it may concern:

Be it known'that I, Smernmn Hnnm'a subject of the Emperor of Austria-Hunary, residing at Ohicago, in the county of 00k and State of Illinois,have invented certain new and useful Improvements in Apparatus forProducing Ozone, of which the following is a specification.

This invention relates to an improved electrical apparatus for theproduction of ozone, and it consists in certain peculiarities of theconstruction, novel arrangement, and operation of the various partsthereof as will be hereinafter more fully set forth and specificallyclaimed.

One of the objects of my present invention is to furnish a com act andportable apparatus for the pro notion of ozone, which shall be of suchconstructionthat the currents of ozoniz'edair can be directed asdesired, by-a slight change in the osition of the apparatus, and whichshal be simple and inexpensive in construction,

strong, durable, and readily attached to' any suitable source ofelectric su ply for furnishing current of the require tension to theelectrodes. 1

Another important object, is, to provide improvements in theconstruction of the electrodes, as well as, in the means for theirsupport and novel arrangement, whereby the efiieiency of the apparatuswill be augmented, and the deterioration of the electrodes, throughoxidation, lessened, and besides, the formation of objectionable ases,such as nitrous oxid, prevented or re uced to a minimum.

A further object is to provide simple and efficient means for holdin thewalls of the electrodes apart in paralle ism with one another, and onewithin the other, yet in such a manner, as to permit of the entiresurface of one of them being exposed to the current of air as it isforced between said electrodes.

Other objects and advantages of the invention w1ll be disclosed in thesubjoined description and explanation.

'As the present inventlon relates particularly to the construction,arrangement and mounting or support of the electrodes and theirconnectin parts,: I have shown said parts only in detail, and .Wlllhereinafter particularly describe the same, referring to the other partsof the apparatus m a general we only, it being deemed unnecessary to eitor show or describe the last mentioned parts in detail, as they may beof the ordinary or any preferred construction and their operation 1swell known.

In order to enable others skilled in the art to which the inventionpertains, to make and use the same, I will now proceed tovdescribe itreferring to the accompanying drawings in which Figure 1, is a viewpartly in section and partly in, elevation of an apparatus for proucingozone, embodying the invention. Fig. 2, is a View of the Inlet end ofthe drum in which the electrodes are mounted showing a portion of thesupporting arm for sald drum, Fig. 3, is an end view of the opposite ordischarging end of the drum showing the electrodes mounted therein andillustrating a ortion of the arm which supports said dim, and Fig. 4, isan en'- larged rspective view of a portion of the puter e ectrode showinmeans thereon for holdin pieces used tor supporting said electrode onthe envelop or closure of the other electrode.

Corres onding numerals of reference refer to li e arts throughout thedifi'erent Views of the rawings. I V s The reference numeral 7,designates'a casing which may be of any suitable size, form,

and material, within which is located a transformer 8, of the ordina orany preferred construction, which is electrically connected to a motoror rotary converter,

- 9, as the case may be, in the usual manner by means of leads orconductors 10, and 11. As shown, the motor or rotary converter 9, is

mounted on the top of the casing 7, and

may have electrical connection through leaders or conductors 12, and 13,with a suitable source of electrical supply, not shown. Mounted on theshaft of the motor or rotary converter is a fan 14, which is driventhereby and is used to force currents of air through a drum 15, andbetween the electrodes, which-drum is mounted on a hollow arm 16,extended horizontally and then upwardl from the casing 8, of theapparatus. The rpm 15, is horizontally supported on the arm. 16, and hasat its and adjacent to the fan 14, a flared portion 17, to receive andconduct the currents of air furnished by the fan, through the drum.Located in the drum 15, at about the juncture thereof with the flaredportion 17, 1s a spider-frame 18, which is preferably made of fiber, andis fitted snugly in the drum, and may be held therein by frictionalcontact therewith, or otherwise. The central portion of the spider-frame18, is rovided with a disk or member 19, from w ich are extendedradially arms 20, which are united by a circular ortion or ring 21,which is likewise united y means of arms 22, to the outer portion orring 23, of said frame, which latter ring or outer portion is fittedsnugly in the drum as before stated. Secured to the inner surface of thedisk or member 19, of said spider-frame is a metal socket 24:, which isin contact with a binding post 25, to which one end of a conductor 26,is connected, which conductor is extended through the hollow arm 16,into the casing 7, and electrically connected to the transformer. Thesocket 245, is preferably internally screw-threaded to engage anexternally screw-threaded sleeve 27, which is secured on one end of aglass bulb or closure 28, which is extended horizontally within thecentral portion of the drum 15, and projects at its free end, to

near the discharging end of the drum.

As is clearly shown in Fig. l, of the draw-- ings, the bulb or closure28, which may be made of any suitable material, but prefer ably ofglass, has its rear end, or that end thereof adjacent to thespider-frame 18, reduced, and is provided near its other end with aseries of inwardly extended projections 29, which projections arepreferably made by indenting the bulb or closure 28, on its outersurface, thus. forming corresponding projections on its inner surface.Located within the bulb or closure 28, is a metal stem 30, which issecured at one of its ends so as to contact with the socket, 24, thusforming electrical connection through said socket and the binding post25, with the conductor 26, and transformer. At its inner end, themetallic stem 30, isvprovided with two forwardly disposed metal arms 31,and 32, which, as is clearly shown in Fig. 1, of the drawings, extend inopposite directions from the stem 30, and then forwardly in parallelismwith one another. Mounted on the arms 31, and 32, and encompassing aportion of the stem 30, is a tubular electrode 33, which is preferablymade of aluminum, and is supported on the stem 30, by means of the arms31, and 32, which are disposed diametrically opposite each other, withinand against the inner surface of the front portion of the electrode 33,as will be clearly understood by reference to Fig. 1, of the drawing.When thus mounted, the front end of the electrode 33, will rest againstthe projections 29, of the bulb or closure 28, thus holding the main artof the electrode 33, at a slight distance om the bulb or closure, whichsaid electrode is referably sealed in vacuum within said ulb. Located inthe front or discharging portion of the drum 15, is another spiden frame34, which includes two concentricrings 35, and 36, united by radiallydisposed arms or portions 37, which afford spaces for the passage ofair. The inner ring 35, is provided on its inner surface with a seriesof inwardly extended projections 38, which are. used to rest against thefront portion of the bulb or closure 28, so as to assist in supportingthe same within the drum. Surrounding the bulb or closure 28, is anotherelectrode 39, which is preferably made of aluminum and is. electricallycom nected by means of a conductor 40, with the I transformer, whichconductor is extended through the hollow arm 16, and into the casing 7,which incloses said transformer.

The electrode 39, is provided at each of its ends with a series ofinwardly extended lips 41, which are arranged in pairs, and arepreferably formed by being punched out of the material of which saidelectrode is made. inserted between each pair of the lips 41, is adistancing piece -12, of fiber or other insulating material, whichpieces contact with the outer surface of the bulb or closure 28, so asto hold the electrode 39, at a slight distance therefrom, yet inparallelism with, the same as well as with the electrode 33, which asbefore stated, is inclosed by said bulb.

' From the foregoing and by referenceto the drawings, it will be readilyunderstood and clearly seen, that when the apparatus is operativelyconnected, to a suitable source of electrical supply, the fan or blower14, will be rotated, thus causing currents of air to be forced. throughthe drum 15, and between the electrode 39, and the bulb or' closure 28,for the electrode 33, which air will be accordingly ozonized anddischarged at the outlet or discharging end of the drum.

Having thus fully described my invention what I claim as new and desireto secure by Letters-Patent is- 1. An apparatus for producing ozone,comprising a source of current, a vacuum tube having on its innersurface near one of its ends a series of projections, a tubularelectrode located in said tube and resting at one of its ends on saidprojections, a tubular electrode surrounding the vacuum tube and thefirst named electrode, means interposed between'the outer electrode andsaid tube for maintaining them parallel and spaced apart, currentconveying connections to said electrodes, and means for passing airalong the exterior of said tube in the' direction of the length thereof.

2. An apparatus for producing ozone comprising a source of current, avacuum tube, a tubular electrode located in said tube. another tubularelectrode surrounding said vacuum tube and the first named electrode andhaving at each of its ends a series of inturned lips arranged in pairs,an insulating lar electrode located in piece located between each pairof said li s and resting on the outer surface of t e vacuum tube,current conveying connections to said electrodes, and 'means for passingair through the space between the outer electrode and said closure.

3'. An apparatus for producing ozone,

- comprising a source of current, a vacuum tube having on its Innersurface near one of its ends a series of projections, a tubusaid tubeand resting against said projections, a tubular electrode surroundingthe vacuum tube and the first named electrode and having at each of its.ends a series of inturned lips arranged in pairs, an insulating piecelocated between each pair of said lips and resting on the outer surfaceof the vacuum tube current conveying connections to said electrodes, andmeans for passing air through the space between the outer electrode andthe tube.

4. In an apparatus for producing ozone, the combination with a casinghaving an arm extended therefrom, of a drum mountarm, a vacuum tubesupported port drum and driven by said, motor or converter,- connectionsleading from a source of current to the motor or converter, andconnections uniting the motor or converter and the transformer.

5. In. an apparatus for. producing ozone,

the combinatlon with a source-of current,

of a suitably su' ported drum, a vacuum tube mounted wit m the drum andinsulated therefrom, a tubular electrode located in said tube, anothertubular electrode surrounding the vacuum tube and the first namedelectrode and having at each of its ends a series of inturned lipsarranged in pairs, an insulating iece located between each of said lipsan resting on the outer surface of the vacuum tube, current conveyingconnections to said electrodes, an electrically driven fan mounted nearone end of the drum for causing air to ass through the space between theouter e ectrode and the vacuum tube.

6. In an apparatus for producing ozone, a tubular electrode having onone of its surfaces a series of lipsformed integrally with the electrodeand arranged in pairs, and an insulating piece located between each airof said lips to rest against a supom which said electrode will be heldat a distance. Y

Y SIEGFRIED HELD. Witnesses:

CHAS. C. TILLMAN, E. Nnws'rnom.

